Jose Diaz vs. Don Mossi — Career Comparison

Don Mossi built a career as a starting pitcher and Jose Diaz as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Don Mossi posted stronger surface numbers — ERA 3.43 and WHIP 1.235 compared to 9.39 and 2.609 for Jose Diaz. By the career numbers, Don Mossi had the better of this cross-role comparison — though era context would sharpen the verdict.